J. Phys. Colloques
Volume 51, Numéro C2, Février 1990Premier Congrès Français d'Acoustique / First French Conference on Acoustics
|Page(s)||C2-277 - C2-280|
J. Phys. Colloques 51 (1990) C2-277-C2-280
VEHICLE NOISE AND INFLUENCE OF THE COOLING FANV. TANDARA
Technical Consulting, Development and Designing, Expert Witness for Combustion Machines and Reduction Noise of Vehicles, D-1000 Berlin 19, Postfach 1323, F.R.G.
The combustion engine is only one of many vehicle noise sources. Every combustion engine has inner and external noise sources. The cooling fans can be important noise sources. They are installed to cool the engine, encasement and the inside of the car. The influence of fans are great in case of high ambient temperature, low travelling speed and frequent stoppages.